Yeast Amount

[Rampage]

Hi. I have a 125gm packet of liquid wyyeast. Is this sufficient for about 90l of wort or should I add more?

 

[RichardM]

I don't know how much the usual Wyeast packs weigh, but if yours is one of these then it is meant for a 20 to 23 litre batch. This means you'll have build a starter over a couple of steps.